Tag

Manganese

All articles tagged with #manganese

science28 days ago•4 min saved

Scorpions’ Claws and Stingers Harbor Metals, Study Finds

A Smithsonian-led study analyzing 18 scorpion species finds metals, especially zinc and manganese, are embedded in their pincers and stingers and vary by species in a way that reflects an evolutionary trade-off between durability and leverage; the research, using electron microscopy and X-ray fluorescence, suggests metal enrichment is widespread among scorpions and lays groundwork for broader comparisons and future questions about diet and gender differences, with the findings published in the Journal of the Royal Society Interface.

via Gizmodo|

#evolution #manganese #metal-enrichment

science4 months ago•6 min saved

Manganese Catalyst Breakthrough Enables Durable CO2-to-Formate Conversion

Researchers from Yale and the University of Missouri report that manganese-based catalysts can efficiently convert atmospheric CO2 into formate, a potential hydrogen carrier for fuel cells. The key advance is stabilizing the Mn catalysts by incorporating an additional donor atom into the ligand (hemilabile, pincer-like design), dramatically extending catalyst lifetimes and outperforming many precious-metal systems. This low-cost, durable approach to CO2 utilization could be broadly applicable to other catalytic transformations and supports sustainable hydrogen storage strategies.

via SciTechDaily|

#catalysis #co2-utilization #formate

science-and-technology11 months ago•2 min saved

Japan Discovers Cost-Effective Metal Boosting Hydrogen Production by 1,000%

Researchers in Japan have developed a cost-effective manganese oxide catalyst with a unique 3D structure that significantly increases hydrogen production efficiency and durability in water electrolysis, potentially replacing expensive rare metals like iridium in PEM electrolysers and advancing sustainable hydrogen energy.

via Farmingdale Observer|

#electrolysis #hydrogen #manganese

science1 year ago•3 min saved

Unveiling the Secret Behind Radiation-Resistant 'Conan the Bacterium'

Scientists have discovered that the bacterium Deinococcus radiodurans, known for its extreme radiation resistance, owes its resilience to a powerful antioxidant composed of manganese, phosphate, and a peptide. This discovery could lead to the development of radioprotective measures for astronauts and applications on Earth. The study highlights the potential of using this antioxidant to protect against cosmic radiation during deep-space missions and radiation exposure on Earth.

via CNN|

#antioxidants #deinococcus-radiodurans #manganese

science1 year ago•3 min saved

Scientists Uncover How a Microbe Thrives on Radiation, Offering Hope for Space Travel

Researchers have uncovered the secret behind the radiation resistance of the microbe Deinococcus radiodurans, known as 'Conan the Bacterium.' The microbe's resilience is attributed to a potent mix of antioxidants, particularly a manganese-phosphate-peptide complex, which effectively neutralizes harmful oxygen radicals. This discovery could lead to the development of advanced radioprotectants for various applications, including healthcare and space exploration.

via ScienceAlert|

#antioxidants #biotechnology #deinococcus-radiodurans

health-and-safety2 years ago•3 min saved

FDA Recalls Nearly 2 Million Water Bottles Nationwide

The FDA has downgraded the recall of Fiji Natural Artesian Water bottles to a Class III recall, indicating that the product is not likely to cause adverse health consequences. The recall, initially issued in March due to concerns over manganese and bacterial contamination, affected specific lots sold on Amazon. Fiji Water has assured consumers that the issue was limited to certain batches and that the water remains safe to consume.

via Newsweek|

#bacteria #fda #fiji-water

health-and-safety2 years ago•1 min saved

Massive Recall: 1.9 Million Water Bottles Pulled from Shelves

Nearly 1.9 million bottles of Fiji Natural Artesian Water have been voluntarily recalled due to the presence of manganese and three bacterial genera. The FDA classified the recall as Class III, indicating it is not likely to cause adverse health consequences. The affected bottles were distributed nationally through Amazon between February 1 and March 3, and 99% of them have already been reclaimed. Fiji Water assures that there is no health or safety risk from the recalled lots and emphasizes their commitment to product safety and quality.

via WKRC TV Cincinnati|

#bacteria #fda #fiji-water

health-and-safety2 years ago•2 min saved

FDA Recalls 1.9 Million Cases of Contaminated Water

The FDA has announced a recall of over 78,000 cases of Fiji Natural Artesian Water due to the presence of manganese and bacteria. The recall, initially announced in March, is classified as Class III, indicating it is not likely to cause adverse health consequences. Most of the affected bottles have been reclaimed, and the remaining ones are being held in warehouses. The company assures that the recalled water poses no health risk and emphasizes their commitment to safety and quality.

via WDAF FOX4 Kansas City|

#bottled-water #fda #fiji-water

neuroscience2 years ago•5 min saved

"Manganese: A Key to Enhanced Teen Learning and Memory"

Exposure to manganese during the prenatal period and childhood may enhance verbal learning and memory during adolescence, according to a study by Boston University School of Public Health. The research, which utilized tooth manganese levels as biomarkers, found that prenatal exposure was associated with improved cognitive functions, while postnatal exposure showed no significant association. The study highlights the importance of timing in manganese exposure and its effects on neurodevelopment.

via Neuroscience News|

#cognitive-function #learning #manganese

health3 years ago•3 min saved

Contaminants in California Drinking Water Linked to Autism and Health Risks.

Water in California's Central Valley contains high levels of manganese, which can cause cognitive disabilities and motor control issues in children, and Parkinson's-like symptoms in adults. The highest concentrations of manganese are found in private, untreated well water systems, but it is also present in public water systems at higher concentrations than what studies have shown can have adverse health effects. Nearly half of all domestic well water users in the Central Valley live in disadvantaged communities, and nearly 89% of them have a high likelihood of accessing water that is highly contaminated with manganese.

via Phys.org|

#central-valley #cognitive-disabilities #health